Base | Representation |
---|---|
bin | 1000111011111… |
… | …01010000101000 |
3 | 12020001110110220 |
4 | 10131331100220 |
5 | 123142240320 |
6 | 11234410040 |
7 | 1600110663 |
oct | 435752050 |
9 | 166043426 |
10 | 74961960 |
11 | 39350037 |
12 | 21130920 |
13 | 126b81b8 |
14 | 9d546da |
15 | 68aae40 |
hex | 477d428 |
74961960 has 32 divisors (see below), whose sum is σ = 224886240. Its totient is φ = 19989824.
The previous prime is 74961949. The next prime is 74961977. The reversal of 74961960 is 6916947.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312222 + ... + 312461.
It is an arithmetic number, because the mean of its divisors is an integer number (7027695).
Almost surely, 274961960 is an apocalyptic number.
It is an amenable number.
74961960 is an abundant number, since it is smaller than the sum of its proper divisors (149924280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74961960 is a wasteful number, since it uses less digits than its factorization.
74961960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 624697 (or 624693 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 74961960 is about 8658.0575188665. The cubic root of 74961960 is about 421.6450224187.
The spelling of 74961960 in words is "seventy-four million, nine hundred sixty-one thousand, nine hundred sixty".
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